Like I said before, it's nigh on impossible to prove intent, especially when the accusation is to a player that isn't even looking at where his foot was being planted.
Link from The Mail. http://www.dailymail.co.uk/sport/football/article-2930958/Chelsea-agreed-sell-Andre-Schurrle-fund-swoop-Juan-Cuadrado-Fiorentina-star-face-Manchester-City.html